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| cpi | 3cW20,000a7 cpi|4cW50,000J 3cW20,000a7 The 3CW20,000A7 is a high-mu power triode intended to be used as a zero bias Class B amplifier in audio or radio frequency applications. Operation with zero-grid bias offers circuit simplicity by eliminating the bias supply. In addition, grounded grid operation is attractive since a power gain as high as twenty times can be obtained. The 3CW20,000A7 is electrically identical to the aircooled 3CX10,000A7 except for its 20kW plate dissipation rating. chaRacteRistics Plate Dissipation (Max.) Screen Dissipation (Max.) Grid Dissipation (Max.) Frequency for Max. rating (CW) Amplification Factor Filament/Cathode Voltage Current Capacitance Input Output Feedthrough Capacitance Input Output Feedthrough Cooling Base Air Socket Air Chimney Boiler Length Diameter Weight 20,000 Watts --500 Watts 110 MHz 200 Thoriated Tungsten 7.5 Volts 99.0 Amps Grounded Cathode 59.0 pf 0.2 pf 36 pf Grounded Grid 59.0 pf 36.0 pf 0.2 pf Water and Forced Air Coaxial SK-1300 ----11.22 in; 285.00 mm 4.65 in; 118.10 mm 11.5 lb; 5.2 kg typeofservice griddrivenRFamplifier MaxiMuMRatings plate Voltage (Volts) 7,000 5,500 7,000 7,000 plate current (amps) 4.0 3.0 5.0 5.0 ypicalOpeRatiOn t plate current (amps) 4.0 3.0 5.0 2.4 Drive Output power power (Watts) (kiloWatts) 530 380 1,540 330 21.3 11.9 24.2 5.65 classof Operation c c B B plate screen Voltage Voltage (Volts) (Volts) 7,000 5,000 7,000 7,000 --- --- --- --- griddrivenRFamplifierplatemodulated cathodedrivenRFlinearamplifier cathodedrivenRFlinearamplifier The values listed above represent specified limits for the product and are subject to change. The data should be used for basic information only. Formal, controlled specifications may be obtained from CPI for use in equipment design. Forinformationon this and other CPI products, visit our website at:www.cpii.com, or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303 telephone: 1(800) 414-8823. fax: (650) 592-9988 | email: powergrid@cpii.com |
Price & Availability of 3CW20000A7
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